本文实例讲述了C#实现的UDP收发请求工具类。分享给大家供大家参考，具体如下：
初始化：
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ListeningPort = int.Parse(ConfigurationManager.AppSettings["ListeningPort"]);SendingPort = int.Parse(ConfigurationManager.AppSettings["SendingPort"]);SendingIp = ConfigurationManager.AppSettings["SendingIp"]; |
监听：
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public static void Listen(){ Task.Run(() => { var done = false; var listener = new UdpClient(ListeningPort); var groupEP = new IPEndPoint(IPAddress.Any, ListeningPort); string received_data; byte[] receive_byte_array; try { _log.Error("############Service started###########"); while (true) { receive_byte_array = listener.Receive(ref groupEP); Console.WriteLine("Received a broadcast from {0}", groupEP.ToString()); received_data = Encoding.UTF8.GetString(receive_byte_array, 0, receive_byte_array.Length); ParseCommand(received_data); } } catch (Exception e) { _log.Error(e); Console.WriteLine(e.ToString()); } _log.Error("############Service stopped###########"); });} |
发送：
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public static void SendCommand(string xmlCmd){ try { var sending_socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp); var sending_end_point = new IPEndPoint(IPAddress.Parse(SendingIp), SendingPort); var send_buffer = Encoding.UTF8.GetBytes(xmlCmd); sending_socket.SendTo(send_buffer, sending_end_point); _log.Info("[COMMAND SENT] : " + xmlCmd); } catch (Exception ex) { _log.Error(ex); }} |
希望本文所述对大家C#程序设计有所帮助。
